I think I have some cub yellow, pm your address and I will put it in the mail if I do. You will want to remove the covering and use 5 min epoxy, hold it in place yourself while it dries. I would also suggest enlarging the wing bolt holes and harden the area around w/ ca, it's hard to see the bolts in the "darkness" of the bellypan. You could also glue a portion of paper tube, I use the servo extension tubes for keeping the wires tidy for tail mounted servos, this will give the bolt a "tunnel" to the outside world

See the example in my G202 kit manual, page 23 step 13. Even though it's not stressed the on/off process puts stress on the front/back depening on how it fits, mine is coming loose in the back, winter maintenance

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Mac